Heat stroke from being left in hot cars is a preventable and serious welfare emergency for dogs, and public awareness combined with legal frameworks has reduced but not eliminated this cause of canine suffering.
Hot car dog welfare involves both the severe acute suffering caused by heat stroke and the education challenge of preventing well-intentioned owners from making this mistake. Heat stroke causes progressive suffering from initial panting and distress through neurological symptoms, seizures, and death. Survival requires immediate cooling and veterinary care. The welfare case for public education and legal frameworks enabling rapid rescue is strong. Veterinary education should include owner counseling on temperature risk during routine consultations in summer months. Mobile apps providing temperature warnings and emergency protocols support rapid community response.